Bandwidth-Tunable Mode-Locked Fiber Laser Enabled by Hetero-Core Offset-Spliced GIMF Saturable Absorber

We demonstrate a passively mode-locked erbium-doped fiber laser utilizing a hetero-core offset-spliced gradient-index multimode fiber (GIMF) structure. The all-fiber saturable absorber is fabricated by offset-splicing two GIMF segments with mismatched core diameters of 62.5 μm and 50 μ...

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Autori principali:	Xuanyu Chen, Ya Liu, Shiping Zhou, Xinyu Wen, Mengmeng Wang, Guoqing Hu, Ying Zhang
Natura:	Artigo
Lingua:	Inglês
Pubblicazione:	IEEE 2026-01-01
Serie:	IEEE Photonics Journal
Soggetti:	Fiber laser mode-locked multimode fiber nonlinear multimode interference
Accesso online:	https://ieeexplore.ieee.org/document/11457325/
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